linux-kernel - [PATCH] imx_udc: fix leak in imx_ep_alloc

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Date:	Mon, 23 Mar 2009 17:24:07 +0100
From:	Daniel Mack <daniel@...aq.de>
To:	linux-kernel@...r.kernel.org
Cc:	Daniel Mack <daniel@...aq.de>, Mike Lee <eemike@...il.com>,
	Darius Augulis <augulis.darius@...il.com>
Subject: [PATCH] imx_udc: fix leak in imx_ep_alloc_request()

cppcheck found another leak in drivers/usb/gadget/imx_udc.c

Cc: Mike Lee <eemike@...il.com>
Cc: Darius Augulis <augulis.darius@...il.com>
Signed-off-by: Daniel Mack <daniel@...aq.de>
---
 drivers/usb/gadget/imx_udc.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index 77c5d0a..3ccd92c 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -718,9 +718,12 @@ static struct usb_request *imx_ep_alloc_request
 {
 	struct imx_request *req;
 
+	if (!usb_ep)
+		return NULL;
+
 	req = kzalloc(sizeof *req, gfp_flags);
-	if (!req || !usb_ep)
-		return 0;
+	if (!req)
+		return NULL;
 
 	INIT_LIST_HEAD(&req->queue);
 	req->in_use = 0;
-- 
1.6.2

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